CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash Flows from Operating Activities:
Net income	$ 34,706	$ 31,952
Adjustments to reconcile net income to net cash provided by operating activities:
Gain on sale of discontinued operations, net of income taxes	0	(14,412)
Depreciation and amortization	18,463	14,434
Stock-based compensation	7,285	6,210
Write-off of loan costs	0	14,958
Gross excess tax benefits from stock-based compensation	(3,217)	(2,704)
Workers’ compensation and medical malpractice provision	2,505	3,071
Other	3,943	1,226
Changes in operating assets and liabilities, net of effects of acquisitions and divestitures:
Accounts receivable	(37,067)	(33,329)
Prepaid expenses	1,461	2,521
Accounts payable	(2,872)	(1,249)
Accrued payroll and contract professional pay	8,125	12,493
Income taxes payable	(4,414)	(1,214)
Other	(3,909)	(3,630)
Net cash provided by operating activities	25,009	30,327
Cash Flows from Investing Activities:
Cash paid for property and equipment	9,638	7,328
Cash received from sale of discontinued operations, net	0	31,922
Other	406	(1,872)
Net cash provided by (used in) investing activities	(9,232)	22,722
Cash Flows from Financing Activities:
Principal payments of long-term debt	(122,563)	(440,775)
Proceeds from term debt	99,500	383,500
Proceeds from stock transactions	3,268	3,912
Payments of employment taxes related to release of restricted stock awards	(4,544)	(5,602)
Gross excess tax benefits from stock-based compensation	3,217	2,704
Debt Issuance Costs	(446)	(6,563)
Payments of accrued earn-outs	(691)	(3,425)
Other	0	(14)
Net cash used in financing activities	(22,259)	(66,263)
Effect of exchange rate changes on cash and cash equivalents	(115)	(154)
Net Increase in Cash and Cash Equivalents	(6,597)	(13,368)
Cash and Cash Equivalents at Beginning of Year	37,350	27,479
Cash and Cash Equivalents at End of Period	30,753	14,111
Supplemental Disclosure of Cash Flow Information:
Income taxes	29,175	12,580
Interest	5,899	8,535
Supplemental Disclosure of Non-Cash Transactions:
Acquisition of property and equipment through accounts payable	$ 639	$ 993